package com.good.shopping.product.service.impl;

import com.good.shopping.product.entity.AttrEntity;
import com.good.shopping.product.service.AttrService;
import com.good.shopping.product.vo.AttrGroupWithAttrsVo;
import com.good.shopping.product.vo.SpuItemAttrGroupVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.good.common.utils.PageUtils;
import com.good.common.utils.Query;

import com.good.shopping.product.dao.AttrGroupDao;
import com.good.shopping.product.entity.AttrGroupEntity;
import com.good.shopping.product.service.AttrGroupService;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    // 商品属性
    @Autowired
    AttrService attrService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }


    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {
        // select * from pms_attr_group where catelog_id=? and (attr_group_id=key or attr_group_name like  %key%)
        // 参数 搜索关键字
        String key = (String) params.get("key");
        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        if (!StringUtils.isEmpty(key)) {
            wrapper.and((obj) -> {
                obj.eq("attr_group_id", key).or().like("attr_group_name", key);
            });
        }
        if (0 == catelogId) {
            IPage<AttrGroupEntity> page = this.page(
                    new Query<AttrGroupEntity>().getPage(params),
                    wrapper
            );
            return new PageUtils(page);
        } else {

            wrapper.eq("catelog_id", catelogId);
            IPage<AttrGroupEntity> page = this.page(
                    new Query<AttrGroupEntity>().getPage(params), wrapper
            );
            return new PageUtils(page);
        }

    }

    // 获取分类下所有分组&关联属性
    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {

        // 1.查询分组信息
        List<AttrGroupEntity> attrGroupEntities = this.list(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));

        // 2 查询所有属性
        List<AttrGroupWithAttrsVo> collect = attrGroupEntities.stream().map(item -> {
            AttrGroupWithAttrsVo vo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(item,vo);
            Long attrGroupId = item.getAttrGroupId();
            // 获取该属性分组id 下的 属性id集合
            List<AttrEntity> attrs = attrService.getRelationAttr(attrGroupId);
            vo.setAttrs(attrs);
            return vo;
        }).collect(Collectors.toList());

        return collect;

    }


    @Override
    public List<SpuItemAttrGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {
        //查询当前spu对应的所有属性的分组信息以及当前分组下所有属性对应的值
        List<SpuItemAttrGroupVo> vos = this.baseMapper.getAttrGroupWithAttrsBySpuId(spuId,catalogId);
        return vos;
    }

}
